the bright red line from the emission spectrum of hyrogen has a wave lngth of 657 nm. what is the energy, in joules, of a single photon of this light
a) 3.03 * 10 exponent -19
b) 4.35 * 10 exponent -40
c) 3.03 * 10 exponent -28
d) 4.56 * 10 exponent 14
